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List of 13-letter words containing

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There are 18 thirteen-letter words containing B, D, E, I, L, N, T and U

INDOLEBUTYRICINDOLEBUTYRIC adj. as in indolebutyric acid, a synthetic plant growth regulator.
INEDUCABILITYineducability n. Inability to be educated.
INEDUCABILITY n. the state of being ineducable.
INELUDIBILITYINELUDIBILITY n. the state of being ineludible.
INFUNDIBULATEinfundibulate adj. Shaped like a funnel; infundibulated or infundibular.
INFUNDIBULATE adj. funnel-shaped, also INFUNDIBULAR.
MULTIBRANCHEDmultibranched adj. Having more than one branch.
MULTIBRANCHED adj. having many branches.
NONDEDUCTIBLEnondeductible adj. (Finance) That cannot be deducted for income tax purposes, and that tax has to be paid on.
nondeductible n. (Finance) Any expense that cannot be deducted for income tax purposes.
NONDEDUCTIBLE adj. not deductible.
POLYBUTADIENEpolybutadiene n. (Organic chemistry) A polymer of butadiene, used to make synthetic rubber.
POLYBUTADIENE n. a synthetic rubber that has a high resistance to wear and is used esp. in the manufacture of tires.
REFUNDABILITYrefundability n. The quality of being refundable.
REFUNDABILITY n. the state of being refundable.
SUBORDINATELYsubordinately adv. In a subordinate manner.
SUBORDINATE adv. subservient.
ULTRAWIDEBANDultrawideband adj. Describing a radio technology that uses a large portion of the radio spectrum.
ULTRAWIDEBAND n. a very broad bandwidth.
UNDISTURBEDLYundisturbedly adv. Calmly; tranquilly; without disturbance.
UNDISTURBED adv. not disturbed.
UNESTABLISHEDunestablished adj. Not established.
UNESTABLISHED adj. not established.
UNINHIBITEDLYuninhibitedly adv. In an uninhibited manner.
UNINHIBITED adv. free from inhibition.
UNMETABOLISEDunmetabolised adj. Alternative spelling of unmetabolized.
UNMETABOLISED adj. not metabolised, also UNMETABOLIZED.
UNMETABOLIZEDunmetabolized adj. Not metabolized.
UNMETABOLIZED adj. not metabolized, also UNMETABOLISED.
UNPREDICTABLEunpredictable adj. Unable to be predicted.
unpredictable n. An unpredictable thing.
UNPREDICTABLE adj. that cannot be predicted.
UNPREDICTABLYunpredictably adv. In an unpredictable way.
UNPREDICTABLE adv. that cannot be predicted.
UNREADABILITYunreadability n. The property of being impossible to read.
unreadability n. The property of being unfit for reading.
UNREADABILITY n. the quality of being unreadable.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 91 words
  • Scrabble in French: 32 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: 18 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 38 words


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